How can we guarantee quality?

We provide a pre-production sample before mass production; Always conduct final inspection before shipment. We will provide QC & test reports. We accept FAT(Factory Acceptance Test). Factory can manufacture oil type and dry type distribution transformer, max 500KV 480MVA power transformer, GIS, switchgear, substation, based on CE/IEC/GOST standard. Successively obtain ISO9001, ISO14001, ISO45001 certificate.

What is your packaging assurance?

We strictly adhere to export-standard packaging to ensure the safety of goods during transit additionally, we are fully flexible and can customize the packaging according to specific customer requirements.

Are you a manufacturer or trading company?

We are the exclusive overseas distributor officially authorized by the manufacturer, responsible for international market development, technical coordination, and global customer service.

66kv 25mva Step Down Power Transformer for Utility Substation

Name: 66kv 25mva Step Down Power Transformer for Utility Substation
Brand: Apex Technologies Co.,Ltd.
SKU: 2268445515

Beijing, ChinaApex Technologies Co.,Ltd.

US$53,000.00-310,000.00

1 Piece

Product specifications

Capacity

Product profile

Customization

Available

Application

Power, Power Grid, Substation, Power Plant

Phase

Three

Model NO.

S11-20

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001, CCC, CE, IEC60076

Usage

Power Transformer, Distribution Transformer

Frequency Characteristics

50Hz/60Hz

Shape of Core

Ring

Brand

Apex

Warranty

2 Years

Customization Support

Small Quantities with Multiple Specifications

Impedance

12%~18% or Customized

Tapping Range

+2*2.5%/-2*2.5%

Vector Group

Li0, Ynd11, Ynyn0d11

Input Voltage

66kv, 110kv, 220kv, 330kv, 500kv

Output Voltage

11 Kv, 10 Kv, 10.5kv, 6.6kv

Transport Package

Wooden Case

Specification

Customized

Origin

China Jiangsu

Production Capacity

30sets/Month

Key features

Customized Voltage Options: Input voltage 66kV-500kV and output voltage 6.3kV-69kV can be customized to meet specific grid requirements.

OEM and ODM Services: Full customization support including design, material selection, and manufacturing for small quantities.

30-Year Design Life: Constructed with CRGO silicon steel and full copper windings for a guaranteed 30-year operational lifespan.

Global Certification Compliance: Meets IEC 60076, CE, ISO 9001, ISO 14001, and ISO 45001 standards for international markets.

Flexible MOQ: Minimum Order Quantity starts from 1 set, suitable for various project scales.

Fast Response Time: Receive customized solutions within 24 hours and drawing confirmation within 7 days.

Comprehensive Quality Control: Includes pre-production samples, final inspection, QC reports, and Factory Acceptance Test (FAT).

2-Year Warranty Coverage: Provides a 24-month warranty period covering mechanical defects and performance issues.

Company profile

Low MOQFull CustomizationFlexible CustomizationMulti-language Pioneer

Apex Technologies Co.,Ltd.

Beijing, China

Business Type: Trading Company CertifiedCustomization Options: Customization from Designs, Full Customization, etc.Average Response Time: ≤0.55h CertifiedTerms of Payment: T/T, LC CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, EXW, CFR

AI-Powered supplier vetting

SummaryApex Technologies is a Beijing-based transformer manufacturer offering oil-immersed, dry-type, box-type, special, amorphous-alloy, new-energy transformers, assemblies, and accessories. The supplier reports strong technical capabilities, a strict quality management system, participation in national key engineering projects, and long-term supply relationships with CNPC and COSCO Shipping. However, the available evidence shows limited documented service-management controls: corrective/preventive-action procedures are absent, and complaint-handling and service-capability procedures lack records. The supplier has no inventory, overseas warehouse, showroom, agent or branch, and serves no stated overseas service countries despite reporting that 90% of sales are exports. No new products, ODM, OEM for popular brands, or SDK were reported in the past year. Customization is offered, but raw-material traceability status is unknown. Audit organization and validity dates are provided, but the audit result is recorded...

Supplier typeApex Technologies is identified as a manufacturer and supplier specializing in transformers, including oil-immersed, dry-type, box-type, power, distribution, three-phase, step-down, special, amorphous-alloy, and new-energy transformers, as well as assemblies and accessories. The company also provides international transportation and spare-parts services.

After-Sales capabilityThe supplier has procedures for service capability and customer complaints, but no written records, and it has no written corrective/preventive-action procedures or records. It also reports no inventory, overseas warehouse, overseas showroom, overseas agents or branches, and zero countries with overseas services; spare-parts services are mentioned, but their scope and execution evidence are not documented.

R&D capabilityThe supplier reports no new products during the past year, no ODM service, no OEM capability for popular brands, and no available SDK. These explicit limitations indicate weak demonstrated innovation and development-service capability in the provided assessment.

Production capacityThe supplier states that its factory has strong technical capabilities, operates under a strict quality management system, has participated in national key engineering projects, and manufactures a broad range of transformer products and related assemblies. These statements support established manufacturing capability, although production scale and capacity metrics are not provided.

Customization capabilityThe supplier explicitly offers customization from designs, full customization, minor customization, and flexible customization. This directly supports a broad stated customization capability, while raw-material traceability remains of unknown status.

Client casesThe supplier states that it is a long-term supplier to CNPC and COSCO Shipping, has earned the trust of numerous customers, and has participated in several national key engineering projects. These are explicit customer and project references, although no project scope, dates, or performance records are provided.

Product Q&A

Q:What are your preferred payment methods?

Wire transfer (T/T), letter of credit (L/C), and any payment method supported by MIC are acceptable. 30%-50% deposit upon order confirmation. Balance (50%-70%) due before dispatch.

Q:Can your products be customized?

Yes, absolutely. We understand that different countries and regions have specific requirements regarding voltage, frequency, and environmental conditions.

Q:What is your Minimum Order Quantity (MOQ) and the typical production lead-time for orders?

We maintain a flexible MOQ starting from 1 set to support various project scales. For standard specifications, the typical production lead-time is approximately 10 working days upon receipt of the deposit and final technical confirmation.

Q:How long is the warranty of your product?

Our warranty period is two year.

Q:Why should you buy from us not from other suppliers?

1. We offer highly competitive prices while ensuring the highest product quality. 2. For urgent orders, we can shorten the production cycle to meet your delivery requirements. 3. We have a professional and independent drawing team and technical team, it is expected that we can confirm all the contents on the drawings with you within 7 days. 4. With extensive experience in global collaboration, our team responds promptly to your needs-saving time and achieving mutual success.